<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>button按钮</title>
</head>
<body>
姓 名：<input type="text" placeholder="请输入你的姓名" value="大胖">
<br><br>
密 码：<input type="password" placeholder="请输入你的密码">
<br><br>
<button type="submit">提交</button>
<button type="reset">重置</button>
<button type="button">点我么作用</button>
</body>
</html>